Crataegus lumaria Ashe (Q4258)

taxon name

Crataegus lumaria

1 reference

taxon authority

Ashe

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taxon rank

species

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taxon status

accepted

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common name

aubépine ronce (French)

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round-leaved hawthorn (English)

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aubépine de Jack (French)

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Jack's hawthorn (English)

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VasCan taxon numeric id

8691

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distribution

CA-ON

establishment of distribution

occurrence status

present

native

1 reference

publication

Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.

CA-QC

establishment of distribution

occurrence status

present

native

1 reference

publication

Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.

CA-ON

Ont.

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CA-QC

Que.

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US-MI

Mich.

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US-NY

N.Y.

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US-WI

Wis.

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Crataegus ser. Rotundifoliae (Eggleston) Rehder

parent taxon

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taxon habit

shrub

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GBIF taxon key

3013663

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Global Biodiversity Information Facility

IUCN Redlist Category

NE

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Global Biodiversity Information Facility

phenology

Flowering May; fruiting Sep–Oct.

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taxon habitat

brush

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fallow pastures

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elevation

30–300 m

measurement range from

30 meter

measurement range to

300 meter

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special status

E

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taxon description fragment

Shrubs or trees, 50 dm.

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d0_s0

thorns on twigs ± recurved, 1-year old shiny, dark-brown or black, older gray, slender, 2.5–7 cm.

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d0_s2

Leaves: petiole length 40–60% blade, glabrous, sparsely to densely minutely glandular;

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d0_s3

blade green, broadly rhombic to rhombic-ovate, or narrowly ovate to broadly elliptic, 2–4 (–5) cm, thin, base rounded to cuneate, lobes 3 or 4 per side, sinuses shallow, lobe apex acute, margins serrate, veins 4–6 per side, apex acute to obtuse, abaxial surface glabrous, adaxial glabrate young, soon glabrescent.

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d0_s4

Inflorescences 6–15-flowered;

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d0_s5

branches pilose;

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d0_s6

bracteoles usually hyaline, linear, membranous, margins of proximal bracteoles usually stipitate-glandular.

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d0_s7

Flowers 13–18 mm diam.;

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d0_s8

hypanthium glabrous;

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d0_s9

sepals narrowly triangular, 5 mm, margins entire, glandular;

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d0_s10

stamens 10, anthers ivory;

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d0_s11

styles 2 or 3.

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d0_s12

Pomes yellowish, dull orange, or reddish, suborbicular, 7–12 mm diam., glabrous;

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d0_s13

sepals reflexed;

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d0_s14

pyrenes 2 or 3.2n = 68.

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d0_s15

morphology statement

50

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d0_s0

growth form

shrub

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d0_s0

50

1 reference

d0_s0

growth form

tree

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d0_s0

leaf petiole

length

glabrous

40-60%

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d0_s3

leaf petiole

function

glandular

sparsely to densely minutely

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d0_s3

green

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d0_s4

broadly rhombic

rhombic-ovate or narrowly ovate

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d0_s4

broadly rhombic

rhombic-ovate or narrowly ovate

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d0_s4

atypical some measurement

4

5

1 reference

d0_s4

2

4

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d0_s4

width

thin

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d0_s4

inflorescence phyllaries base

rounded

cuneate

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d0_s4

inflorescence flower corolla lobe

3

1 reference

d0_s4

inflorescence flower corolla lobe

4

1 reference

d0_s4

inflorescence flower gynoecium pistil style apex

acute

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d0_s4

serrate

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d0_s4

inflorescence flower gynoecium pistil style apex

acute

obtuse

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d0_s4

inflorescence

6-15-flowered

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d0_s5

inflorescence branch

pilose

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d0_s6

inflorescence bracteole

hyaline

usually

1 reference

d0_s7

inflorescence bracteole

arrangement

course

linear

1 reference

d0_s7

inflorescence bracteole

texture

membranous

1 reference

d0_s7

stipitate-glandular

usually

1 reference

d0_s7

inflorescence flower

diameter

13

18

1 reference

d0_s8

inflorescence flower hypanthium

glabrous

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d0_s9

inflorescence flower sepal

triangular

narrowly

1 reference

d0_s10

inflorescence flower sepal

5

1 reference

d0_s10

entire

1 reference

d0_s10

function

glandular

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d0_s10

inflorescence flower stamen

10

1 reference

d0_s11

inflorescence flower anther

ivory

1 reference

d0_s11

inflorescence flower gynoecium pistil style

2

1 reference

d0_s12

inflorescence flower gynoecium pistil style

3

1 reference

d0_s12

inflorescence flower sepal

orientation

reflexed

1 reference

d0_s14

fruit pyrene

2

1 reference

d0_s15

fruit pyrene

3

1 reference

d0_s15

chromosome

68

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d0_s15

life cycle

old

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d0_s2

reflectance

shiny

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d0_s2

dark-brown

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d0_s2

black

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d0_s2

life cycle

older

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d0_s2

gray

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d0_s2

size

slender

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d0_s2

2.5

7

1 reference

d0_s2

stem twig

orientation

recurved

more or less

1 reference

d0_s2

inflorescence flower petal venation vein

4

6

1 reference

d0_s4

yellowish

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d0_s13

dull

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d0_s13

orange

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d0_s13

reddish

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d0_s13

orange

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d0_s13

reddish

1 reference

d0_s13

suborbicular

1 reference

d0_s13

diameter

7

12

1 reference

d0_s13

glabrous

1 reference